Found by reviewing code related to CID1604365 Overflowed constant Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/pixlet.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/pixlet.c b/libavcodec/pixlet.c index 6b6e39f2757..e9c561d70d9 100644 --- a/libavcodec/pixlet.c +++ b/libavcodec/pixlet.c @@ -231,8 +231,8 @@ static int read_high_coeffs(AVCodecContext *avctx, const uint8_t *src, int16_t * if (cnt1 >= length) { cnt1 = get_bits(bc, nbits); } else { - pfx = 14 + ((((uint64_t)(value - 14)) >> 32) & (value - 14)); - if (pfx < 1 || pfx > 25) + pfx = FFMIN(value, 14); + if (pfx < 1) return AVERROR_INVALIDDATA; cnt1 *= (1 << pfx) - 1; shbits = show_bits(bc, pfx); -- 2.45.2 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".